Wiseco Pro Tru sportsman series pistons are geared toward budget minded consumers looking for the best bang for their buck in quality forged racing pistons. The features you would normally find in a high quality set of Wiseco Pistons can be found at an affordable price with Pro Tru. All applications are CNC machined on dedicated 4032 forgings, with symmetrical valve reliefs and feature pressure fed pin oiling with precision finished full floating pins. These pistons give you the reliability expected from a Wiseco design at a great price point. Wiseco piston rings are included with each set.